EP4116593A4 - Crown-shaped retainer for ball bearing and ball bearing - Google Patents

Crown-shaped retainer for ball bearing and ball bearing Download PDF

Info

Publication number
EP4116593A4
EP4116593A4 EP21765254.4A EP21765254A EP4116593A4 EP 4116593 A4 EP4116593 A4 EP 4116593A4 EP 21765254 A EP21765254 A EP 21765254A EP 4116593 A4 EP4116593 A4 EP 4116593A4
Authority
EP
European Patent Office
Prior art keywords
ball bearing
crown
shaped retainer
retainer
shaped
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP21765254.4A
Other languages
German (de)
French (fr)
Other versions
EP4116593B1 (en
EP4116593A1 (en
Inventor
Yasuhiro Iwanaga
Yoshimune Shimokawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NSK Ltd
Original Assignee
NSK Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NSK Ltd filed Critical NSK Ltd
Publication of EP4116593A1 publication Critical patent/EP4116593A1/en
Publication of EP4116593A4 publication Critical patent/EP4116593A4/en
Application granted granted Critical
Publication of EP4116593B1 publication Critical patent/EP4116593B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/3887—Details of individual pockets, e.g. shape or ball retaining means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/41—Ball cages comb-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/41—Ball cages comb-shaped
    • F16C33/412—Massive or moulded comb cages, e.g. snap ball cages
    • F16C33/414—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages
    • F16C33/416—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages made from plastic, e.g. injection moulded comb cages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/38—Ball cages
    • F16C33/41—Ball cages comb-shaped
    • F16C33/418—Details of individual pockets, e.g. shape or ball retaining means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/60—Thickness, e.g. thickness of coatings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/20—Application independent of particular apparatuses related to type of movement
    • F16C2300/22—High-speed rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2361/00—Apparatus or articles in engineering in general
    • F16C2361/65—Gear shifting, change speed gear, gear box

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
EP21765254.4A 2020-03-03 2021-03-03 Crown-shaped retainer for ball bearing and ball bearing Active EP4116593B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020035971A JP7543660B2 (en) 2020-03-03 2020-03-03 Crown cage for ball bearings and ball bearings
PCT/JP2021/008281 WO2021177380A1 (en) 2020-03-03 2021-03-03 Crown-shaped retainer for ball bearing and ball bearing

Publications (3)

Publication Number Publication Date
EP4116593A1 EP4116593A1 (en) 2023-01-11
EP4116593A4 true EP4116593A4 (en) 2023-07-19
EP4116593B1 EP4116593B1 (en) 2024-08-21

Family

ID=77612669

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21765254.4A Active EP4116593B1 (en) 2020-03-03 2021-03-03 Crown-shaped retainer for ball bearing and ball bearing

Country Status (6)

Country Link
US (1) US20230085727A1 (en)
EP (1) EP4116593B1 (en)
JP (1) JP7543660B2 (en)
KR (1) KR20220137079A (en)
CN (1) CN115210481A (en)
WO (1) WO2021177380A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021054195A (en) * 2019-09-27 2021-04-08 日本トムソン株式会社 Caster
DE102022102659A1 (en) 2022-02-04 2023-08-10 Schaeffler Technologies AG & Co. KG roller bearing
DE102022102657B4 (en) 2022-02-04 2023-12-14 Schaeffler Technologies AG & Co. KG roller bearing
CN114645903A (en) * 2022-02-07 2022-06-21 山东金帝精密机械科技股份有限公司 High-rotating-speed high-strength injection molding retainer
CN117145871B (en) * 2023-10-31 2024-01-26 万向钱潮股份公司 High-strength light-weight high-speed deep groove ball bearing retainer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003269465A (en) * 2002-03-13 2003-09-25 Nsk Ltd Ball bearing
US20090220181A1 (en) * 2005-11-18 2009-09-03 Nsk Ltd. Resin Cage and Rolling Bearing
EP3112711A1 (en) * 2014-02-27 2017-01-04 NSK Ltd. Rolling bearing with seal
US20200018351A1 (en) * 2018-07-12 2020-01-16 Aktiebolaget Skf Bearing cage and use thereof

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5436204B1 (en) 1971-03-31 1979-11-08
JPS54145747U (en) * 1978-04-03 1979-10-09
JPS58153625A (en) * 1982-03-08 1983-09-12 Koyo Seiko Co Ltd Retainer made from synthetic resin
JP2003329045A (en) 2002-05-13 2003-11-19 Nsk Ltd Hybrid car drive motor and roller bearing therefor
JP2004019921A (en) 2002-06-20 2004-01-22 Ntn Corp Ultrathin-walled roller bearing
JP2004084770A (en) * 2002-08-26 2004-03-18 Nsk Ltd Snap cage for ball bearing
FR2900996B1 (en) 2006-05-12 2008-08-08 Skf Ab CAGE FOR BALL BEARING
JP4930142B2 (en) 2007-03-28 2012-05-16 株式会社ジェイテクト Roller bearing cage
FR2921451B1 (en) * 2007-09-26 2010-02-26 Skf Ab BEARING BEARING AND CAGE FOR SUCH A BEARING
FR2994721B1 (en) * 2012-08-22 2015-07-03 Skf Ab CAGE FOR BEARING BEARING, BEARING BEARING AND ELECTRIC DIRECTION OF MOTOR VEHICLE
JP2016027279A (en) * 2014-07-02 2016-02-18 日本精工株式会社 Crown retainer and angular contact ball bearing
US9546682B2 (en) * 2014-12-09 2017-01-17 Aktiebolaget Skf Cage of a rolling bearing, rolling bearing comprising such a cage and apparatus comprising such a rolling bearing
JP2020035971A (en) 2018-08-31 2020-03-05 Tdk株式会社 Spin current magnetization rotation type magnetic element, spin current magnetization rotation type magnetoresistance effect element and magnetic memory

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003269465A (en) * 2002-03-13 2003-09-25 Nsk Ltd Ball bearing
US20090220181A1 (en) * 2005-11-18 2009-09-03 Nsk Ltd. Resin Cage and Rolling Bearing
EP3112711A1 (en) * 2014-02-27 2017-01-04 NSK Ltd. Rolling bearing with seal
US20200018351A1 (en) * 2018-07-12 2020-01-16 Aktiebolaget Skf Bearing cage and use thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021177380A1 *

Also Published As

Publication number Publication date
EP4116593B1 (en) 2024-08-21
WO2021177380A1 (en) 2021-09-10
JP7543660B2 (en) 2024-09-03
US20230085727A1 (en) 2023-03-23
KR20220137079A (en) 2022-10-11
EP4116593A1 (en) 2023-01-11
CN115210481A (en) 2022-10-18
JP2021139410A (en) 2021-09-16

Similar Documents

Publication Publication Date Title
EP4116593A4 (en) Crown-shaped retainer for ball bearing and ball bearing
EP4015667A4 (en) Steel for ball screw bearing and manufacturing method therefor
WO2012025717A3 (en) Bearing ball retainer for a sliding support
EP2505858A3 (en) Spherical bearing with sealing member
EP3543553A4 (en) Rolling bearing cage and rolling bearing
EP3569882A4 (en) Double-row self-aligning roller bearing and protrusion prevention jig
EP3536995A4 (en) Retainer and rolling bearing with same
EP4151874A4 (en) Deep groove ball bearing having cage
EP3919766A4 (en) Ball bearing
EP4223859A4 (en) Rolling bearing
EP4141280A4 (en) Deep groove ball bearing having separated-type retaining cage
CA202538S (en) Ball bearing
EP3848602A4 (en) Rolling bearing and spindle device equipped with rolling bearing
EP4265356A4 (en) Sliding member, bearing, sliding member manufacturing method, and bearing manufacturing method
EP4212747A4 (en) Resin-made cage for ball bearing and ball bearing
EP3943767A4 (en) Angular contact ball bearing and retainer for angular contact ball bearing
EP4177324A4 (en) Grease composition and rolling bearing
EP4332397A4 (en) Deep groove ball bearing
GB2595497B (en) Thrust bearing
EP3926192A4 (en) Multi-row thrust ball bearing
EP3926191A4 (en) Rolling bearing
TWI859605B (en) Roller bearing and retainer
EP4253933A4 (en) Rolling bearing assembly capable of realizing self-monitoring
EP4202242A4 (en) Ball bearing
EP4119808A4 (en) Rolling bearing

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220902

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20230621

RIC1 Information provided on ipc code assigned before grant

Ipc: F16C 41/00 20060101ALI20230615BHEP

Ipc: F16C 33/38 20060101ALI20230615BHEP

Ipc: F16C 33/41 20060101ALI20230615BHEP

Ipc: F16C 19/06 20060101AFI20230615BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20240508

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602021017611

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D